WEBVTT
Region: id=testOne lines=2 width=30%
Region: id=testTwo lines=4 width=20%

1
00:00.500 --> 00:00.700 region:testOne
This

2
00:01.200 --> 00:02.400 region:testTwo
Is

2.5
00:02.000 --> 00:03.500 region:testOne
(Over here?!)

3
00:02.710 --> 00:02.910
A

4
00:03.217 --> 00:03.989
Test

5
00:03.217 --> 00:03.989
And more!
